EP3019470A1 - New process for the maintaining of a ratio of isomers of ca-rotenoid compounds - Google Patents
New process for the maintaining of a ratio of isomers of ca-rotenoid compoundsInfo
- Publication number
- EP3019470A1 EP3019470A1 EP14730930.6A EP14730930A EP3019470A1 EP 3019470 A1 EP3019470 A1 EP 3019470A1 EP 14730930 A EP14730930 A EP 14730930A EP 3019470 A1 EP3019470 A1 EP 3019470A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- alkali
- formula
- compound
- alkali metal
- organic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- ZCIHMQAPACOQHT-ZGMPDRQDSA-N trans-isorenieratene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/c1c(C)ccc(C)c1C)C=CC=C(/C)C=Cc2c(C)ccc(C)c2C ZCIHMQAPACOQHT-ZGMPDRQDSA-N 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 239000008170 walnut oil Substances 0.000 description 1
- 235000021119 whey protein Nutrition 0.000 description 1
- 235000008210 xanthophylls Nutrition 0.000 description 1
- 150000003735 xanthophylls Chemical class 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
- C07C403/02—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains containing only carbon and hydrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/86—Use of additives, e.g. for stabilisation
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/179—Colouring agents, e.g. pigmenting or dyeing agents
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/40—Colouring or decolouring of foods
- A23L5/42—Addition of dyes or pigments, e.g. in combination with optical brighteners
- A23L5/43—Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives
- A23L5/44—Addition of dyes or pigments, e.g. in combination with optical brighteners using naturally occurring organic dyes or pigments, their artificial duplicates or their derivatives using carotenoids or xanthophylls
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
- C07B63/04—Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
- C07C403/14—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by doubly-bound oxygen atoms
- C07C403/16—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by doubly-bound oxygen atoms not being part of —CHO groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C403/00—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone
- C07C403/24—Derivatives of cyclohexane or of a cyclohexene or of cyclohexadiene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene or cyclohexadiene rings, e.g. vitamin A, beta-carotene, beta-ionone having side-chains substituted by six-membered non-aromatic rings, e.g. beta-carotene
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/20—Use of additives, e.g. for stabilisation
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B2200/00—Indexing scheme relating to specific properties of organic compounds
- C07B2200/09—Geometrical isomers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated
Definitions
- the present invention relates to a process for the maintaining of a ratio of stereoisomers of carotenoid compounds, to specific formulations and to the use of such specific formulations.
- Carotenoids (which are also named carotenoid compounds in the context of the present patent application) generally consist of conjoined units of the hydrocarbon isoprene, with alternating single and double bonds. The carotenoids absorb light energy of certain frequencies and transfer it to chlorophyll for use in photosynthesis.
- Carotenoids are nutritionally important for animals as well as human beings, and also have antioxidant properties.
- the carotenoids are classified into two groups:
- the carotenoids when found in nature, are mainly existing in the all-trans stereoi- someric form. But the carotenoids have a tendency to steroisomerise (that means to transform into other stereoisomeric forms).
- E- forms, Z-forms and mixtures of E/Z-forms are meant by stereoisomeric forms.
- Ste- reoisomerisation usually results in a mixture of many different stereoisomeric structures: such as:
- All stereoisomeric forms of the carotenoid compounds usually have different properties in regard to i.e. light absorption, bioavailability etc. So when the isomerisation takes place the properties of a formulation comprising carotenoid compounds can change. Therefore the goal of the present invention was to find a process, which maintains a ratio of stereoisomers of carotenoid compounds, so that the properties of a formulation comprising carotenoids are not changing. From the prior art (WO201 301 0820) it is known that specific mineral salts are able to stabilize a ratio of stereoisomers of carotenoid compounds.
- the isomerisation of carotenoid compounds is influenced by the addition of at least one alkali and/or earth alkali metal salt of an organic acid. This addition results that the stereoisomeric form (or also a mixture of two or more stereoisomeric forms) are stabilised. The stereoisomerisation is prevented or slowed down.
- the present invention relates to a process for the maintaining of a ratio of stereoisomers of carotenoid compounds of formula (I)
- the carotenoid compounds are present in the form of a solution or emulsion.
- the solution or emulsion can then in a further step be dried (spray dried, freeze dried), mixed with other formulations or ingredients, etc.
- the concentration of the carotenoid compound in such a formulation can vary depending on the use of such a formulation.
- Suitable solvents are such wherein carot- enoid compounds are soluble, such as ethylacetate, methylenechloride, chloroform, acetone, etc.
- an emulsion system is usually an oil-in-water emulsion.
- an oil-in-water emulsion any commonly known and used oils and emulsifiers are used.
- the choice of the oil as well as the emulsifier depends on the use of the formulation. In case a food or feed product is produced, then these compounds need to be food or feed grade.
- Suitable oils can be from any origin. They can be natural, modified or synthetic. If the oils are natural, they can be plant or animal oils. Suitable oils are i.e. coconut oil, corn oil, cottonseed oil, olive oil, palm oil, peanut oil, canola oil, safflower oil, sesame oil, soybean oil, sunflower oil, hazelnut oil, almond oil, cashew oil, macadamia oil, mongongo nut oil, pracaxi oil, pecan oil, pine nut oil, pistachio oil, sacha Inchi (Plukenetia volubilis) oil, walnut oil, polyunsaturated fatty acids (such as triglyceride and/or ethyl ester, (for example arachidonic acid, eicosapentaenoic acid, do- cosahexaenoic acid and ⁇ -linolenic acid and/or ethyl ester).
- emulsifier Any commonly known and used emulsifier can be used.
- the emulsifier can be chosen depending on the final use of the formulation afterwards. Suitable emulsifiers are i.e. modified (food) starches, pectin, alginate, carrageenan, furcellaran, chitosan, maltodextrin, dextrin derivatives, celluloses and cellulose derivatives (e.g.
- cellulose acetate methyl cellulose, hydroxypropyl methyl cellulose
- lignosulfonate polysaccharide gums (such as gum acacia, gum arabic, flaxseed gum, ghatti gum, tamarind gum and arabinogalactan), gelatine (bovine, fish, pork, poultry), plant proteins (such as concentrates, isolates, hydrolysates, etc.
- starches can be modified physically and chemically. Pregelatinized starches are examples of physically modified starches.
- Acidic modified, oxidized, OSA-modified, cross-linked, starch esters, starch ethers and cationic starches are examples of chemically modified starches.
- the formulations can comprise further auxiliary agents.
- the auxiliary agent(s) can vary.
- These auxiliary agents can be useful for the formulation by further improving its properties, such as physical stability, storage stability, visual perception, etc.
- Auxiliaries can also be useful for the application in the food, feed or personal care product by improving the property of these compositions, physical stability, storage stability, visual perception, con- trolled release in the Gl-tract, pH control, oxidation resistant, etc.
- the concentration of these auxiliaries can vary, depending on the use of these auxiliaries.
- Preferred carotenoid compounds are the following ones: Compound of formula (la):
- At least one alkali and/or earth alkali metal salt of an organic acid is added in an amount of less than 1 wt-%, based on the total weight of the carotenoid compound or mixture thereof. Preferably less than 0.9 wt-%, more preferably less than 0.8 wt-%. Usually an amount of 0.0001 wt- % to 1 wt-%, based on the total weight of the carotenoid compound or mixture thereof, of at least one alkali and/or earth alkali metal of an organic acid is used.
- the process is usually carried out at a temperature from 15 °C to 160 °C, preferably 20 °C to 130 °C, more preferably 20 °C to 1 10 °C.
- the process is usually carried out at a pressure of 1 bar to 10 bar, preferably 1 bar to 8 bar, more preferably 1 bar to 5 bar.
- the carotenoid compounds comprising at least one alkali and/or earth alkali metal salt of an organic acid in an amount of less than 1 wt-%, can be used as such or be used to be further formulated.
- the ratio of the isomers is stabilised in the composition as such (only carotenoid compound and alkali and/or earth alkali metal salts of an organic acid) as well in formulations comprising such a composition.
- the organic acid is preferably R-COOH, wherein R is a d-C 4 -alkyl group.
- Preferred alkali and earth alkali metals of the alkali and/or earth alkali metal salts of an organic acid are K, Ca and Mg.
- Preferred alkali and/or earth alkali metal salts of an organic acid have the following formulae
- R is a C C 4 -alkyl group
- Me 1 is K + .
- Me 2 is Ca 2+ or Mg 2+ .
- a preferred embodiment of the present invention relates to a process for maintaining a ratio of stereoisomers of compound of formula (la)
- a preferred embodiment of the present invention relates to a process for maintaining a ratio of stereoisomers of compound of formula (le)
- alkali and/or earth alkali salt of an organic acid can be added as a solid form as well as a solution (or a combination of both).
- the present invention also relates to a formulation comprising at least one carotenoid compound of formula (I) wherein F ⁇ and R 2 are independently of each other
- the carotenoid compounds comprising at least one alkali and/or earth alkali metal salt of an organic acid in an amount of less than 1 wt- %, can be used as such or used to be further formulated.
- the formulation as described above can be used in food, feed or personal care products.
- the amount of a formulation as described above used in food, feed or personal care products depends on the food, feed or personal care products
- Fig.1 Concentration-Time-Diagram of formation of 9-cis and 13-cis AXT
- Example 1 The following examples serve to illustrate the invention. All percentages are given in relation to weight and the temperature is given in degree Celsius. Example 1
- the figure 1 and the figure 2 show that the addition of CH 3 COOK, stabilises the all- E- form better than K 2 C0 3 .
- the untreated astaxanthin shows how the ratio is deteriorating usually.
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Abstract
The present invention relates to process for the maintaining of a ratio stereoisomers of carotenoid compounds by using at least one alkali and/or earth alkali metal salt of an organic acid, to specific formulations and to the use of such specific formulations.
Description
NEW PROCESS FOR THE MAINTAINING OF A RATIO OF ISOMERS OF CAROTENOID COMPOUNDS
The present invention relates to a process for the maintaining of a ratio of stereoisomers of carotenoid compounds, to specific formulations and to the use of such specific formulations.
Carotenoids (which are also named carotenoid compounds in the context of the present patent application) generally consist of conjoined units of the hydrocarbon isoprene, with alternating single and double bonds. The carotenoids absorb light energy of certain frequencies and transfer it to chlorophyll for use in photosynthesis.
Carotenoids are nutritionally important for animals as well as human beings, and also have antioxidant properties.
The carotenoids are classified into two groups:
• carotenes (do only contain H and C atoms), and
• xanthophylls (do also contain O-atoms).
The carotenoids, when found in nature, are mainly existing in the all-trans stereoi- someric form. But the carotenoids have a tendency to steroisomerise (that means to transform into other stereoisomeric forms). In the context of the present invention E- forms, Z-forms and mixtures of E/Z-forms are meant by stereoisomeric forms. Ste- reoisomerisation usually results in a mixture of many different stereoisomeric structures: such as:
9-(Z) Form
13-(Z) Form
The "*"'s (=asterisks) are the positions of the endgroups (Ri and R2)
All stereoisomeric forms of the carotenoid compounds usually have different properties in regard to i.e. light absorption, bioavailability etc. So when the isomerisation takes place the properties of a formulation comprising carotenoid compounds can change.
Therefore the goal of the present invention was to find a process, which maintains a ratio of stereoisomers of carotenoid compounds, so that the properties of a formulation comprising carotenoids are not changing. From the prior art (WO201 301 0820) it is known that specific mineral salts are able to stabilize a ratio of stereoisomers of carotenoid compounds.
Due to the importance of such a process there is a constant need for improvement.
Surprisingly, it was found that the isomerisation of carotenoid compounds is influenced by the addition of at least one alkali and/or earth alkali metal salt of an organic acid. This addition results that the stereoisomeric form (or also a mixture of two or more stereoisomeric forms) are stabilised. The stereoisomerisation is prevented or slowed down.
Therefore, the present invention relates to a process for the maintaining of a ratio of stereoisomers of carotenoid compounds of formula (I)
CH3 CH3 CH3 CH3
wherein F and R2 are independently of each other
characterised in that at least one compound of formula (I)
is mixed with less than 1 weight-% (wt-%), based on the total weight of the com- pound(s) of formula (I), of at least one alkali and/or earth alkali metal salt of an organic acid.
The asterisks mark the bond to the backbone. Usually the carotenoid compounds are present in the form of a solution or emulsion. The solution or emulsion can then in a further step be dried (spray dried, freeze dried), mixed with other formulations or ingredients, etc.
The concentration of the carotenoid compound in such a formulation can vary depending on the use of such a formulation. Suitable solvents are such wherein carot- enoid compounds are soluble, such as ethylacetate, methylenechloride, chloroform, acetone, etc.
If an emulsion system is used, then it is usually an oil-in-water emulsion. For such an emulsion any commonly known and used oils and emulsifiers are used. The choice of the oil as well as the emulsifier depends on the use of the formulation. In case a food or feed product is produced, then these compounds need to be food or feed grade.
Suitable oils can be from any origin. They can be natural, modified or synthetic. If the oils are natural, they can be plant or animal oils. Suitable oils are i.e. coconut oil, corn oil, cottonseed oil, olive oil, palm oil, peanut oil, canola oil, safflower oil, sesame oil, soybean oil, sunflower oil, hazelnut oil, almond oil, cashew oil, macadamia
oil, mongongo nut oil, pracaxi oil, pecan oil, pine nut oil, pistachio oil, sacha Inchi (Plukenetia volubilis) oil, walnut oil, polyunsaturated fatty acids (such as triglyceride and/or ethyl ester, (for example arachidonic acid, eicosapentaenoic acid, do- cosahexaenoic acid and γ-linolenic acid and/or ethyl ester).
Any commonly known and used emulsifier can be used. The emulsifier can be chosen depending on the final use of the formulation afterwards. Suitable emulsifiers are i.e. modified (food) starches, pectin, alginate, carrageenan, furcellaran, chitosan, maltodextrin, dextrin derivatives, celluloses and cellulose derivatives (e.g. cellulose acetate, methyl cellulose, hydroxypropyl methyl cellulose), lignosulfonate, polysaccharide gums (such as gum acacia, gum arabic, flaxseed gum, ghatti gum, tamarind gum and arabinogalactan), gelatine (bovine, fish, pork, poultry), plant proteins (such as concentrates, isolates, hydrolysates, etc. from peas, soybeans, castor beans, cottonseed, potatoes, sweet potatoes, manioc, canola, sunflowers, sesame, linseed, safflower, lentils, nuts, wheat, rice, maize, barley, rye, oats, lupin and sorghum), animal proteins including milk or whey proteins, lecithin, polyglycerol ester of fatty acids, monoglycerides of fatty acids, diglycerides of fatty acids, sorbitan ester, PG ester and sugar ester (as well as derivatives thereof). The starches can be modified physically and chemically. Pregelatinized starches are examples of physically modified starches.
Acidic modified, oxidized, OSA-modified, cross-linked, starch esters, starch ethers and cationic starches are examples of chemically modified starches.
The formulations can comprise further auxiliary agents. Depending for which use the formulations are used, the auxiliary agent(s) can vary. These auxiliary agents can be useful for the formulation by further improving its properties, such as physical stability, storage stability, visual perception, etc. Auxiliaries can also be useful for the application in the food, feed or personal care product by improving the property of these compositions, physical stability, storage stability, visual perception, con-
trolled release in the Gl-tract, pH control, oxidation resistant, etc. The concentration of these auxiliaries can vary, depending on the use of these auxiliaries.
Preferred carotenoid compounds are the following ones: Compound of formula (la):
β-carotene
Compound of formula (lb):
a-carotene
Compound of formula (lc)
γ-carotene
Compound of formula (Id):
δ-carotene
ompound of formula (Ig)
Compound of formula (li):
Lycopene
To stabilise a ratio of the carotenoid compounds at least one alkali and/or earth alkali metal salt of an organic acid is added in an amount of less than 1 wt-%, based on the total weight of the carotenoid compound or mixture thereof. Preferably less than 0.9 wt-%, more preferably less than 0.8 wt-%. Usually an amount of 0.0001 wt- % to 1 wt-%, based on the total weight of the carotenoid compound or mixture thereof, of at least one alkali and/or earth alkali metal of an organic acid is used.
The process is usually carried out at a temperature from 15 °C to 160 °C, preferably 20 °C to 130 °C, more preferably 20 °C to 1 10 °C.
The process is usually carried out at a pressure of 1 bar to 10 bar, preferably 1 bar to 8 bar, more preferably 1 bar to 5 bar.
Afterwards the carotenoid compounds comprising at least one alkali and/or earth alkali metal salt of an organic acid in an amount of less than 1 wt-%, can be used as such or be used to be further formulated.
The ratio of the isomers is stabilised in the composition as such (only carotenoid compound and alkali and/or earth alkali metal salts of an organic acid) as well in formulations comprising such a composition.
The organic acid is preferably R-COOH, wherein R is a d-C4-alkyl group.
Preferred alkali and earth alkali metals of the alkali and/or earth alkali metal salts of an organic acid are K, Ca and Mg.
Preferred alkali and/or earth alkali metal salts of an organic acid have the following formulae
R-COOMe1 or (R-COO)2Me2,
wherein R is a C C4-alkyl group, and
Me1 is K+, and
Me2 is Ca2+ or Mg2+.
The most preferred salt of an organic acid is potassium acetate (=CH3COOK).
In case of β-carotene (compound (la)), the stereoisomerisation leads to a shift of the shade of the colour. The All Z-form is more reddish whereas the Z forms are slightly yellowish.
Therefore a preferred embodiment of the present invention relates to a process for maintaining a ratio of stereoisomers of compound of formula (la)
characterised in that less than 1 wt-%, based on the total weight of the compound of formula (la), of CH3COOK is added.
In case of astaxanthin(compound (le)), the stereoisomerisation leads to different bioavailability of the compound. The all (E) form of astaxanthin has the best bioavailability. Therefore this form (or a form with a high amount of all (E) at least 85 % of all (E)) should be stabilised.
Therefore a preferred embodiment of the present invention relates to a process for maintaining a ratio of stereoisomers of compound of formula (le)
characterised in that less than 1 wt-%, based on the total weight of the compound of formula (le), of CH3COOK is added.
The alkali and/or earth alkali salt of an organic acid can be added as a solid form as well as a solution (or a combination of both).
Furthermore the present invention also relates to a formulation comprising at least one carotenoid compound of formula (I)
wherein F^ and R2 are independently of each other
and 0.0001 to 1 wt-%, based on the total weight of the compound(s) of formula (I), of at least one alkali and/or earth alkali metal salt of an organic acid.
All preferences for the process also apply for the formulations.
As said above the formulations the carotenoid compounds comprising at least one alkali and/or earth alkali metal salt of an organic acid in an amount of less than 1 wt- %, can be used as such or used to be further formulated. The formulation as described above can be used in food, feed or personal care products.
The amount of a formulation as described above used in food, feed or personal care products depends on the food, feed or personal care products
Fig.1 : Concentration-Time-Diagram of formation of 9-cis and 13-cis AXT
Fig.2.: Concentration-Time-Diagram of all-trans AXT measured by photometer
The following examples serve to illustrate the invention. All percentages are given in relation to weight and the temperature is given in degree Celsius. Example 1
14.1 mg astaxanthin was dissolved in 70 ml chloroform. 13.7 μg CH3COOK was added to this solution (by adding an aliquot of a diluted solution comprising 13.7 mg CH3COOK in 70 ml chloroform). The solution was homogenized and the formulation was tempered at 40 °C. The solution was stored and samples were taken periodical- ly and the concentration of astaxanthin was measured spectrophotometrically at 478 nm.
Example 2 (comparison)
16.1 mg astaxanthin was dissolved in 80 ml chloroform. 16.2 μg K2C03 was added to this solution (by adding an aliquot of a diluted solution comprising 1 6.2 mg K2C03 in 70 ml chloroform). The solution was homogenized and the formulation was tempered at 40 °C. The solution was stored and samples were taken periodically and the concentration of astaxanthin was measured spectrophotometrically at 478 nm.
Example 3(comparison)
16.1 mg astaxanthin was dissolved in 80 ml chloroform. The solution was homogenized and the formulation was tempered at 40 °C. The solution was stored and samples were taken periodically and the concentration of astaxanthin was measured spectrophotometrically at 478 nm.
The figure 1 and the figure 2 show that the addition of CH3COOK, stabilises the all- E- form better than K2C03. The untreated astaxanthin (no addition of any salt) shows how the ratio is deteriorating usually.
Claims
Claims
1 . A process for the maintaining of a ratio of stereoisomers of carotenoid com- pounds of formula (I)
CHR C H? C H? C H?
(I)
wherein P and R2 are independently of each other
characterised in that the compounds of formula (I)
are mixed with less that 1 wt- %, based on the total weight of the compound(s) of formula (I), of at least one alkali and/or earth alkali metal salt of an organic acid.
2. Process according to claim 1 wherein the carotenoid compounds are chosen from
15
4. Process according to claim 1 , wherein the carotenoid compound is
5. Process according to any of the preceding claims wherein the alkali and/or earth alkali metal salts of an organic acid are compounds of formulae
R-COOMe1 or (R-COO)2Me2,
wherein R is a Ci-C4-alkyl group, and
Me1 is an alkali cation, and
Me2 is an earth alkali cation.
6. Process according to any of the preceding claims, wherein the alkali and/or earth alkali metal cations are K+, Ca2+ and/or Mg2+ salts.
7. Process according to any of claims 1 to 4, wherein CH3COOK used.
8. Process according to any of the preceding claim wherein 0.0001 wt-% to 1 wt.%, based on the total weight of the compound(s) of formula (I), of the alkali and/or earth alkali metal salt of an organic acid is used.
9. A formulation comprising at least one carotenoid compound of formula (I) CH3 CH3 CH3 CH3
(I) wherein F^ and R2 are independently of each other
and 0.0001 to 1 wt-%, based on the total weight of the compound(s) of formula (I), of at least one alkali and/or earth alkali metal salt of an organic acid.
10. Formulation according to claim 9 wherein the carotenoid compounds are chosen from
20
13. Formulation according to any of the preceding claims 9 to 1 2 wherein the al- kali and/or earth alkali metal salts are salts from an organic acid of formulae
R-COOMe1 or (R-COO)2Me2,
wherein R is a Ci-C4-alkyl group, and
Me1 is an alkali cation, and
Me2 is an earth alkali cation.
14. Formulation according to any of the preceding claims 9 to 1 3, wherein the alkali and/or earth alkali metal cations of the alkali and/or earth alkali metal of the organic acids are K+, Ca2+ and/or Mg2+. 15. Formulation according to any of claims 9 to 13, wherein CH3COOK is the salt.
16. Formulation according to any of the preceding claims wherein 0.0001 wt-% to 1 wt-%, based on the total weight of the compound(s) of formula (I), of the alkali and/or earth alkali metal salt of an organic acid is comprised.
17. Use of at least one formulation according to any of the preceding claims 9 to 16 in food, feed or personal care products.
18. Food, feed or personal care product comprising at least one formulation of claims 9 to 16.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14730930.6A EP3019470A1 (en) | 2013-06-21 | 2014-06-18 | New process for the maintaining of a ratio of isomers of ca-rotenoid compounds |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13173229 | 2013-06-21 | ||
PCT/EP2014/062842 WO2014202677A1 (en) | 2013-06-21 | 2014-06-18 | New process for the maintaining of a ratio of isomers of ca-rotenoid compounds |
EP14730930.6A EP3019470A1 (en) | 2013-06-21 | 2014-06-18 | New process for the maintaining of a ratio of isomers of ca-rotenoid compounds |
Publications (1)
Publication Number | Publication Date |
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EP3019470A1 true EP3019470A1 (en) | 2016-05-18 |
Family
ID=48692291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14730930.6A Withdrawn EP3019470A1 (en) | 2013-06-21 | 2014-06-18 | New process for the maintaining of a ratio of isomers of ca-rotenoid compounds |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160152540A1 (en) |
EP (1) | EP3019470A1 (en) |
JP (1) | JP6519087B2 (en) |
KR (1) | KR20160021455A (en) |
CN (1) | CN105339349B (en) |
BR (1) | BR112015031572A2 (en) |
WO (1) | WO2014202677A1 (en) |
Families Citing this family (4)
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EP3091033A1 (en) * | 2015-05-06 | 2016-11-09 | Gamamabs Pharma | Anti-human-her3 antibodies and uses thereof |
JP6507897B2 (en) * | 2015-07-10 | 2019-05-08 | 株式会社ダイフク | Goods transport equipment |
WO2017125379A1 (en) * | 2016-01-18 | 2017-07-27 | Dsm Ip Assets B.V. | Process for the maintaining of a ratio of isomers of carotenoids |
CN115057805A (en) * | 2022-05-16 | 2022-09-16 | 万华化学集团股份有限公司 | Method for preparing canthaxanthin crystal with high all-trans isomer stability |
Citations (3)
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US6051236A (en) * | 1998-11-12 | 2000-04-18 | Pacifichealth Laboratories, Inc. | Composition for optimizing muscle performance during exercise |
US20120064136A1 (en) * | 2010-09-10 | 2012-03-15 | Nanobio Corporation | Anti-aging and wrinkle treatment methods using nanoemulsion compositions |
CN102524944A (en) * | 2012-01-19 | 2012-07-04 | 湖北中烟工业有限责任公司 | Color regulator special for improving appearance of recombinant tobacco and preparation method of same |
Family Cites Families (6)
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JP3492365B2 (en) * | 1992-11-19 | 2004-02-03 | ザ、プロクター、エンド、ギャンブル、カンパニー | A method for enhancing the bioavailability of .BETA.-carotene |
JP3665084B2 (en) * | 1993-03-16 | 2005-06-29 | ケイ・アイ化成株式会社 | Carotenoid pigment stabilization method, carotenoid pigment stabilization composition, and feed containing carotenoid pigment stabilized by the method |
JP2002218940A (en) * | 2001-01-24 | 2002-08-06 | Seiwa Technics:Kk | Discoloration-preventing agent for astaxanthin pigment- containing food and method for preventing discoloration |
JP2008074717A (en) * | 2006-09-19 | 2008-04-03 | Fujifilm Corp | Carotinoid-containing emulsion composition, method for producing the same, food and external preparation containing the composition, and method for producng them |
CN101883498A (en) * | 2007-11-23 | 2010-11-10 | 巴斯夫欧洲公司 | Method for the production of carotenoid solutions |
BR112014001032A2 (en) * | 2011-07-15 | 2017-02-14 | Dsm Ip Assents B V | process to maintain a carotenoid isomers rate |
-
2014
- 2014-06-18 KR KR1020167001443A patent/KR20160021455A/en not_active Application Discontinuation
- 2014-06-18 US US14/900,331 patent/US20160152540A1/en not_active Abandoned
- 2014-06-18 BR BR112015031572A patent/BR112015031572A2/en not_active Application Discontinuation
- 2014-06-18 CN CN201480035118.6A patent/CN105339349B/en not_active Expired - Fee Related
- 2014-06-18 WO PCT/EP2014/062842 patent/WO2014202677A1/en active Application Filing
- 2014-06-18 EP EP14730930.6A patent/EP3019470A1/en not_active Withdrawn
- 2014-06-18 JP JP2016520467A patent/JP6519087B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6051236A (en) * | 1998-11-12 | 2000-04-18 | Pacifichealth Laboratories, Inc. | Composition for optimizing muscle performance during exercise |
US20120064136A1 (en) * | 2010-09-10 | 2012-03-15 | Nanobio Corporation | Anti-aging and wrinkle treatment methods using nanoemulsion compositions |
CN102524944A (en) * | 2012-01-19 | 2012-07-04 | 湖北中烟工业有限责任公司 | Color regulator special for improving appearance of recombinant tobacco and preparation method of same |
Also Published As
Publication number | Publication date |
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CN105339349B (en) | 2018-02-06 |
JP6519087B2 (en) | 2019-05-29 |
WO2014202677A1 (en) | 2014-12-24 |
JP2016528182A (en) | 2016-09-15 |
KR20160021455A (en) | 2016-02-25 |
BR112015031572A2 (en) | 2017-07-25 |
CN105339349A (en) | 2016-02-17 |
US20160152540A1 (en) | 2016-06-02 |
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